| Country: | England |
| Static Image: | Bagwyllydiart Cross - geograph.org.uk - 1534413.jpg |
| Static Image Caption: | Bagwyllydiart Cross. This hamlet marks the meeting point of five parishes. |
| Coordinates: | 51.938°N -2.809°W |
| Official Name: | Bagwyllydiart |
| Unitary England: | Herefordshire |
| Lieutenancy England: | Herefordshire |
| Region: | West Midlands |
| Constituency Westminster: | Hereford and South Herefordshire |
| Post Town: | Hereford |
| Postcode District: | HR2 |
| Postcode Area: | HR |
| Dial Code: | 01981 |
| Os Grid Reference: | SO4426 |
Bagwyllydiart is a hamlet in Herefordshire, England 10 miles south west of Hereford near the Welsh border. It lies between the villages of Kentchurch, Orcop, and Garway.